initial version of the units language
editor usability updates
arithmetic operations are overloaded
type system subtyping rules
Merge branch 'physunits' of github.com:mbeddr/mbeddr.core into physunits
moved and renamed units language
removed unnecessary dependecies
added some tests
initial commit for meta units
meta units for function calls
limited scope for unit references
minor tweaks with checking rules
Merge branch 'master' into physunits
ICallLike changes and refactoring
refactorings and delete actions
pushing everything for Fedor
added missing replacement rules
added strange test method call
many inequation rule fixes
added a lot of docs for the typesystem rules